Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
doi chieu » doc hieu, doi chi, ho chieu
hanh dung » thanh dung, anh dung, hanh dong
cong nang » cong ngang, cong lang, cong nong
nang hang » nang sang, hang hang, cang thang
theo chu » theo chieu, cho chu, chao chu
hang cau » hang dau, hang ca, nhung cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (doi chieu)) sang - hanh dung luan trong cong nang hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (doi chieu)) sang - hanh dung luan trong cong nang hang cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (doi chieu)) sang - hanh dung luan trong cong nang hang cau*.